Effects of Manual Communication Method on Listening Proficiency of Students with Hearing Impairment in Special Schools in Lafia Metropolis, Nasarawa State, Nigeria. AJLLLSE [Internet]. 2026 Apr. 11 [cited 2026 May 2];4(4):99-107. Available from: https://www.grnjournal.us/index.php/STEM/article/view/9367